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7 results about "Transcutaneous electrical nerve stimulation" patented technology
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Transcutaneous electrical nerve stimulation (TENS or TNS) is the use of electric current produced by a device to stimulate the nerves for therapeutic purposes. TENS, by definition, covers the complete range of transcutaneously applied currents used for nerve excitation although the term is often used with a more restrictive intent, namely to describe the kind of pulses produced by portable stimulators used to treat pain. The unit is usually connected to the skin using two or more electrodes which are typically conductive gel pads. A typical battery-operated TENS unit is able to modulate pulse width, frequency and intensity. Generally TENS is applied at high frequency (>50 Hz) with an intensity below motor contraction (sensory intensity) or low frequency (<10 Hz) with an intensity that produces motor contraction. While the use of TENS has proved effective in clinical studies, there is controversy over which conditions the device should be used to treat.
The utility model relates to a joint massage device which comprises a control module connected with a waveform generation module and used for controlling the waveform generation module to generate electric signals; the electric signals comprise pulse electric signals and alternating-current electric signals; the first electrode output end is connected with the waveform generation module, is in contact with the lower part of the skin of the patient and is used for performing transcutaneous electrical nerve stimulation on the patient by using the pulse electric signal; the second electrode output end is connected with the waveform generation module, is in contact with the lower part of the skin of the patient and is used for performing transcutaneous electrical nerve stimulation on the patient by using the alternating currentsignal; and the electrode detection module is respectively connected with the control module and the waveform generation module and is used for detecting whether the electric signal exceeds a preset range, giving an alarm and cutting off the output of the waveform generation module when the electric signal exceeds the preset range. The transcutaneous electrical nerve stimulation device can generate a pulse electrical signal and an alternating current electrical signal, so that a user can select different transcutaneous electrical nerve stimulationmodes according to personal requirements, and the use flexibility is improved.
The application discloses a TENS and iontophoresis composite closed-loop analgesic patch, and belongs to the field of medical devices. The patch comprises a flexible substrate, a multi-modalsensor array, a transcutaneous electrical nerve stimulation unit, an iontophoresisdrug delivery unit, a control module and a multi-level safety control unit. The sensor array collects surface electromyography signals and cutaneous electric response signals, and the control module calculates a pain probability value and executes a hierarchical control strategy: standby when the pain probability value is below a first threshold value, only activate the TENS unit when the pain probability value reaches or exceeds the first threshold value but is below a second threshold value, and simultaneously activate the TENS unit and the iontophoresisdrug delivery unit after dose safety confirmation when the pain probability value reaches or exceeds the second threshold value. The multi-level safety control unit comprises a dose counter and a sensor detachment detection module, which are used for preventing drug overdose and accidental triggering. The application combines physical analgesia and chemical analgesia, realizes double analgesic effects of "instant + continuous", and guarantees the safety of home use through a multi-level safety mechanism.
Apparatus for transcutaneous electrical nerve stimulation in humans, the apparatus comprising:a housing;stimulation means mounted within the housing for electrically stimulating nerves;an electrode array releasably mounted to the housing and connectable to the stimulation means, the electrode array comprising a plurality of electrodes for electrical stimulation of nerves;control means mounted to the housing and electrically connected to the stimulation means for controlling at least one characteristic of the stimulation means;monitoring means mounted to the housing and electrically connected to the stimulation means for monitoring at least one characteristic of the stimulation means;user interface means mounted to the housing and electrically connected to the control means for controlling the stimulation means;display means mounted to the housing and electrically connected to the control means and the monitoring means for displaying the status of the stimulations means; anda strap attached to the housing;wherein the strap is configured to hold the housing, stimulation means and electrode array at a specific anatomical location to treat pain.
Apparatus for transcutaneous electrical nerve stimulation in humans, the apparatus comprising:a housing;stimulation means mounted within the housing for electrically stimulating nerves;an electrode array releasably mounted to the housing and connectable to the stimulation means, the electrode array comprising a plurality of electrodes for electrical stimulation of nerves;control means mounted to the housing and electrically connected to the stimulation means for controlling at least one characteristic of the stimulation means;monitoring means mounted to the housing and electrically connected to the stimulation means for monitoring at least one characteristic of the stimulation means;user interface means mounted to the housing and electrically connected to the control means for controlling the stimulation means;display means mounted to the housing and electrically connected to the control means and the monitoring means for displaying the status of the stimulations means; anda strap attached to the housing;wherein the strap is configured to hold the housing, stimulation means and electrode array at a specific anatomical location to treat pain.